Symbol: DRM_SCANOUTPOS_IN_VBLANK
drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
658
#define DRM_SCANOUTPOS_IN_VBLANK (1 << 1)
drivers/gpu/drm/radeon/radeon_mode.h
652
#define DRM_SCANOUTPOS_IN_VBLANK (1 << 1)